Shock-absorber for type-writers.



N. R. STILES. SHOCK ABSORBER FOR TYPE WRITERS.

. APPLICATION FILED JUNE 27, 1912.

- Patented Sept. 9, 1913.

3 SHEETS-SHEET 1.

W/T/VESJESJ ATTV.

N. R. STILES.

SHOCK ABSORBER FOR TYPE WRITERS. APPLIOATION FILED JUNF-ZZ 1912.

1,072,526. Patented Sept. 9, 1913..

\ 3 SHEETS-SHEETZ.

N.R.STILE&

SHOCK ABSORBER FOR TYP'E WRITERS. APPLICATION FILED JUNE27.1912,

1 072 52 Patented Sept.9,1913.

3 SHEETS-SHEET 3 nonnzany S-TIL'ES, or LONDON, ENGLAND.

SHOCK-ABSORBER roa TYRE-WRITERS.

Specification of Letters Patent.

Patented sent. 9, 19113.

Application filed June 27, 1912. Serial No. 706,139.

To all whom it mayco'ncern Be it known that I, NOEL RAY STILES, acitizen of the United States of America, residing at 8 Newgate street,London, E. (3., England, have invented new and useful Improvements inShock-Absorbers for Type- VVriters, of which the following is aspecification.

This invention relates to. an improved construction of shock absorberfor typewriters and it refers to devices of the kind in which aresilient support is interposed between the said typewriter and thesurface or body upon which it is supportedconipris ing a member uponwhich theimachine rests having vertical arched portions at each end.

The present invention has for its object various improvements-insupports of this character adapted toincreasethe resiliency of thesupport and to provide for the ready application of suchfsupport tomachines of different makes and widths of frame.

The invention further provides for the ready attachment and removal ofthe machine incases where the support is required to be fixed to thesupporting surface or body, the method of attachment being such thatthere is no metal to metal contact and further that the loci of thepoints of attachment coincide with that of the supporting legs orcolumns of the machine.

These and other objects of' this invention are hereafter fully describedand pointed out in the claims.

In order that the invention may be the of the means of attachment forthemachine having a portion of the side edge at an turned down for thepurpose ofadding to the strength and rigidity of .the said plates. Eachplate at a is slotted for a portion of its length such slot extendingfrom the flat tened end portion a formed at-f theouter endof each stripto a convenient point of the length of said strip. The flattened endjust referred to is turned or bent as shown 1 to produce an archedshaped bend b,the plane of which is at a right angle to the lineof thebody of the said stripand the flattened end is further bent to form asecond similararch shaped bend which bend is disposed in,a plane at aright angle to the first bend and is disposed beneath the body of thestrip. As it is by means of these bendsthat the vertical andlongitudinal resll ency of the absorber is obtained, they may for thepurpose of distinction be referred to as spring bends The second bend bhas upon its upper limb a third bend 6% formed simply by bending orturning the end of the upper limb of b ppward at a right angle to thesaid bend The bodies of the members a a have each of.

The plates a a? are placed one upon the other,

them a bearing upon the bends o the turned over side edges 0? of oneplate lying inside-the side edges of the other as shown in Fig. 7.Encircling the two plates a a is a band like body 0, the ends of whichoverlap and have passing throughthem a screw 0 whereby the said platesat a may be clamped together to secure them after their adjustment tosuit the width of the frame of the machine By means of this arrangementas willbe evident, one absorber is capable of application to a number ofmachines and the necessity of providing a number of absorbers ofdifferent lengths to meet the requirements of the various makes oftypewriters is avoided apdthe one type of absorber is capable ofuniversal-application.

0 indicate metal or other cups which are adjustably secured to theplates a a by means of screws 0 passing through the aforesaid slots aand into the nuts 0 upon the cups. The cups are provided in theirvertical walls with slots 0 after the manner of the slots in the vwellknown bayonet joint connection and by means of these cups and slots aswill be presently described, it is possible to readily apply and removethe maattachment is effected whey/i desired by means of screws passingthrough holes 0 -formed in the lower horizontal member of the springbend 6 To permit of ready access to the screw upon the cup 0, I slot themembers of the bend b at Z1 as shown in Fig. 4', 6 and 7,- or same maybe pierced.

In the majority of typewriters as at present constructed-the under-frameis provided with four tubular legs or supports to which are appliedrubber plugs. The cups before referred to are provided for the purposeof engaging the aforesaid legs and in order.

that the desired attachment of the machine to the absorber may beeffected, I provide the arrangement shown in detail in Figs. 8 to 11. arubber body (Z designed to enter the aforesaid tubular leg and fromwhich leg the aforesaid original plug is first removed. The body (Z haspassing through it a screw al the upper end of which engages a screwformed in a conical nut (Z and which nut as will be readily understood,when it is drawn down will cause the body (2 to expand until it fillsthe aforesaid hollow leg of the machine. The screw d passes through thetop of a cap a and between the top of the cap e and the lower end of thebody (Z I prefer'to interpose a washer e. The cap e is provided withperipheral projections or ears 6 designed to engage the aforesaid slotsin the walls of cups 0 whereby the attachment of the caps a to themembers a a may be effected. In order to conveniently effect therotation of the caps e, I prefer to provide the said caps with a handleor projection see Figs. 1. 3, 8, 9 and 11.

f indicates arubber or other plug placed in the underside of the cap 0and which plug is compressed when the cap e is rotated to effect theattachment of the said cap to the plates a a Wherethe space to be filledis beyond the limitsof expansion of the body (Z, I may provide a splitliner or a line 9 formed in two parts which isapplied to the exterior ofthe body 0 as shown in Figs, 1, 9.. 3 and 10.

Where the absorber is applied to machines of more than ordinary weight.I provide a supplementary body such as 72, Figs. 1. 2 and 12 which is ofa corresponding outline to the bend I) and which is adapted to becompressed aud sprung into the said bend as shown in the figures just.referred to. In order to prevent the accidental displacement of the body71 Iprovide a projection such as 71 formed by pressing or indenting themetal and which projection cuters a perforation 71? Fig. 1. formed inthe outer limb of the bend Z). In order to prevent damage to the surfaceto which the absorber The device referred to comprises is secured, I mayprovide the portion in contact with the said surface with a rubber orother coating indicated by iFigs. 2,

6 and 7.

By means of an absorber constructed in the manner-just described, I amenabled to secure in addition to the increased resiliency the advantagethat the one device is capable.

of universal application.

Claimscombination, a longitudinally extensible member a vertical springbend at each end of said member, a second spring bend at a right angleto the first and disposed beneath the body of the extensible member, andhaving a bearing surface adapted'to rest upon the table or surface whichsupports the device, a bearing for said extensible member on the secondspring bend and means upon said member for the attachment of'thetypewriter.

2. In a shock absorber for typewriters, in

combination, an extensible member formed in two parts, a clamp adustably connecting the two parts, a vertical spring bend at the outerend of each part, a second spring bend at a right angle to the first anddisposed beneath the outer-ends of the parts, a bearing for. saidextensible member upon the second spring bend, slots at each end of themember, screws passing through said slots and cups attached to saidscrews and bodies removably attached to said cups and engaging thehollow legs of the typewriter.

3. In a shock absorber for typewriters, in

combination, an extensible member formed in two parts, a clampadjustably connecting the two parts, a vertical spring bend at the outerend of each part, a second spring bend at a right angle to the first anddisposed beneath the outer ends of the parts, a bearing for saidextensible member upon the second spring bend, slots at each end of themember, screws passing through said slots and cups attached to saidscrews, inclined .75 1. In a shock absorber for typewriters, 1n

slots in said cups, a body engaging the legs I of the typewriter, proections on said body slots in said cups, a second cup, projections onsaid cups, a rubber plug on said cup,

means for rotating said cups. a screw passing through the top of saidcups, a rubber body upon' said screw and a conical nut engaging saidscrew in said rubber body.

5. 111a shock absorber tortypewriters, in

combination, an extensible member formed in two parts, a clai padjustably connecting ."the two parts, a vertical spring bend at the Iouter end of each part, a second spring bend ats a' right angle to thefirst and disposed ul ijnefltll the outer ends of the parts, a bear-,iji ig, for said extensible member upon the second spr ng bend, slotsat each end of the member, screws passing through said slots and cupsattached to said screws, inclined slots in said cups, :1 second cup,projections on said cups, a rubber plug on said cup, means for rotatingsaid cups, a screw passing through the top of saidcups, a rubber l)( dyupon said screw and a conical nut engaging said screw in said rubberbody, means for reinforcing the vertical spring bends.

'6. In a shock absorber for'typewriters, in ('OIYIlfiIIHilOI], anextensible member formed in two parts, a clamp adjustably connecting thetwo parts,a verticalspring bend at the outer end of each part, a secondspring bend at a right angle to the first and disposed beneath the outerends of the parts, a bearing for said extensible member upon the secondspring bend, Slots at each end of the member, screws passing throughsaid slots and cups attached to said screws, inclined slots in saidcups, a second cup, projections on said cups, :1 rubber plug on saidcup, means for-rotating said cups, a screw passing through the top ofsaid cups, a rubber body upon said screw and a conical nut engaging saidscrew in said.rubber body, means for reinforcing the vertical springbends, comprising U shaped bodies adapted to be sprung into the saidvertical spring bends.

7. In a shock absorber for typewriters; in combination, an extensiblemember formed in two parts, a clamp adjustably connecting the two(parts, a vertical spring bend at the outer on of each part, a secondsprlng bend at a right angle to the first' and disposed beneath theouter ends of the parts, a bearmg for said extensibie member upon thesecond spring bend, slots at each end of the member, screws passingthrough said slots and cups attached to said screws, inclined slots insaid cups, a second cup, projections on said cups, a rubber" plug onsaid cup, means for rotating sait cups, a screw passing through the topof said cups, a rubber body upon said screw and a conical nut engagingsaid sc'rew' in said rubber body, means for reinforcing the verticalspring NOEL RAY 'STILES. Witnesses WM. P. Jones, JOHN C. SANDERS.

bends, comprising U shaped bodies adapted

